From 874c43657e38f1acbef41241c06fcd19cc81b1c2 Mon Sep 17 00:00:00 2001
From: yoshida_teruhisa <yoshida_teruhisa@randommeaninglesscharacters.com>
Date: Mon, 20 Oct 2008 06:57:57 +0000
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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlToolsRED@12 7061adef-622a-194b-ae81-725974e89856
---
 build/tools/sctools/common/src/text.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/build/tools/sctools/common/src/text.c b/build/tools/sctools/common/src/text.c
index 0aeee17..5b3e893 100644
--- a/build/tools/sctools/common/src/text.c
+++ b/build/tools/sctools/common/src/text.c
@@ -174,7 +174,13 @@ int m_get_display_offset_x(TEXT_CTRL *tc)
 void m_set_display_offset_y(TEXT_CTRL *tc, int offset)
 {
   TEXT_BUF *tb = &(tc->text_buf);
-  if( ( offset >= 0 ) && (offset < tb->virtual_y) ) {
+  LINE_BUF *lb = tb->cur;
+  int line_count = 0;
+  while( lb != NULL ) {
+    line_count++;
+    lb = lb->prev;
+  }
+  if( ( offset >= 0 ) && (offset < line_count - Y_LINE_MAX ) ) {
     tb->display_offset_y = offset;
   }
 }